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89 lines
2.9 KiB
89 lines
2.9 KiB
/* |
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* Copyright (c) 2011-2014, The Linux Foundation. All rights reserved. |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials provided |
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* with the distribution. |
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* * Neither the name of The Linux Foundation nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef GRALLOC_MEMALLOC_H |
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#define GRALLOC_MEMALLOC_H |
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#include <stdlib.h> |
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namespace gralloc { |
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enum { |
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CACHE_CLEAN = 0x1, |
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CACHE_INVALIDATE, |
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CACHE_CLEAN_AND_INVALIDATE, |
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}; |
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struct alloc_data { |
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void *base; |
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int fd; |
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size_t offset; |
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size_t size; |
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size_t align; |
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uintptr_t pHandle; |
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bool uncached; |
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unsigned int flags; |
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int allocType; |
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}; |
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class IMemAlloc { |
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public: |
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// Allocate buffer - fill in the alloc_data |
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// structure and pass it in. Mapped address |
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// and fd are returned in the alloc_data struct |
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virtual int alloc_buffer(alloc_data& data) = 0; |
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// Free buffer |
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virtual int free_buffer(void *base, size_t size, |
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size_t offset, int fd) = 0; |
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// Map buffer |
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virtual int map_buffer(void **pBase, size_t size, |
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size_t offset, int fd) = 0; |
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// Unmap buffer |
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virtual int unmap_buffer(void *base, size_t size, |
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size_t offset) = 0; |
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// Clean and invalidate |
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virtual int clean_buffer(void *base, size_t size, |
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size_t offset, int fd, int op) = 0; |
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// Destructor |
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virtual ~IMemAlloc() {}; |
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enum { |
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FD_INIT = -1, |
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}; |
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}; |
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} // end gralloc namespace |
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#endif // GRALLOC_MEMALLOC_H
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